Flowdock
method

each_with_index

Importance_1
v1_9_2_180 - Show latest stable - 0 notes - Class: Matrix
each_with_index() public

Yields all elements of the matrix, starting with those of the first row, along with the row index and column index, or returns an Enumerator is no block given

Matrix[ [1,2], [3,4] ].each_with_index do |e, row, col|
  puts "#{e} at #{row}, #{col}"
end
  # => 1 at 0, 0
  # => 2 at 0, 1
  # => 3 at 1, 0
  # => 4 at 1, 1
Show source
Register or log in to add new notes.